Machine for cutting boot or shoe soles, &amp;c.



No. 652,|59. Patentedlune I9, |900.

V. BEAUREGARD GLC. S. GUDING.

MACHINE FUR CUTTING BOUT 0R SHOE SDLES, 81.6.

(Application led Apr. 5, 1900.) um Model.) I4 sheets-sheet l.

'me Nonms varen: do. Puovourno.. wnsnmsmn, n4 c.

No. 652459. Patented June I9, |900. v. BEAUREGARD & c. s. sonoma.MACHINE FUR CUTTING BOOT 0R SHOE SOLES, &c.

(Application led Apr. 5, 1900.)

I4 Sheets-Sheet 2.

(No Model.)

@med m nm @Rf WNWZW @f No. 652,I59. Patented June I9, |900. V.BEAUREGARD & C. S. GODING.

MACHINE FOB CUTTING BOUT v0R SHOE SOLES, &c.

(Appl'uaton filed Apr. 5, 1900.)

(No Model.)

I4 Sheets-Sheet 3.

No. 652,!59. Patented lune;y I9, |900. V. BEAUREGARDA. C.- S. GDODING.MACHINE EUR CUTTING BOUT 0R SHOE SOLES, 8m.

(App1ica. tion led Apt. 5, 190D.)

14 Sheets-Sheet 4.

(No Model.)

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E mums PETERS co', PHO-miam., Mmmm N D Nu,`a52,I59-. Patented lune-ls,|900. v. BEAUREGARD & c. s. Goonma.

MACHINE FDR CUTTING BOOT 0R SHOE SOLES, &c.

(Annlication filed Ap'r. 5, 1900.) (No Model.) I4 Sheets-Sheet 5.

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No. 652,!59. Patented .lune 19, |900. V. BEAUREGARD, &. C. S. GUODING.MACHINE FOR CUTTING BO0T`0B-SHOE SOLES, &c. (Application iled Apr. 5,1.900.) (No Model.)

No. 652,159. Patented. lune I9L [900. V. BEAUREGARD & C. S. GUODING.

MACHINE FOR CUTTING BDT 0R SHOE SLESLSLG.

(Application filed Apr. ,I 1900.)

I4 SheetswSheet 7.

(No'Model.)

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WF l f5;

No; 652,|59. Patented June I9, |900.1

v. BEAUREGARD &`.c.`s. sonoma. MACHINE FR GUITING BOUT UR SHOE SOLES,51.0.

(Application filed Apr. 5. 1900.) (NoModel.) I4 Sheetsw-Sheet 8.

NVEHTERE-.

v Patented klune I9, |900. V. BEAUREGARD & C. S. GUODING. MACHINE FORCUTTING BOOT 0R SHOE SGLES, 81,0.

(Application filed Apr. 5, 1900.)

I4 Sheets-Sheet 9.

(No Model.)

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A/ v 55555- A@ No. 6572,59. Patented lune I9, |900. v'. BEAUREGARD & c.s. Gnome.

MACHINE FR CUTTING BOOT 0R SHOE SOLES, 81.0.

(Applicntnn filed Apr. 5, 190050 (No Model.) I4 Sheets-Sheet l0.

".LL. mmm llllll IH Hh No. 652,159. l Patented lune 19, |900. v.BEAUREGARD & c.V s. sonoma. MACHINE FR CUTTING'BT 0R SHOE SOLES, 81.0.

l (Application led Apr. 5, 1900.) (No Model.) I4 Sheets-Sheet Il.

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1N: Nonms crans co., momuma, wAsmNofcN. u. c.

No. 652,|59. Patented Iune'IS, |900.

* v. BEAUREGARD & s. Gounm. MACHINE FOR CUTTING BOOT 0R SHUI-11 SOLES,&c.

` (Application med Apr. 5, 190,0.) (No Model.) I4 Sheets-Sheet I2 zNcRms Pains co. PHOTO-mwa. WASHING-rou. n4 c,

No. 652,I59. Patented Iune I9, |900. 'V. BEAUREGARD & D. S. GOODING.MACHINE FUR CUTTING BOOT 0R SHUE SOLES, &c.

(Application fxled Apr. 5, 1900.)

(NoMndI.) I4 SheeIs-Shee I3.

I I I 1/ l I f I I I a I 10/ I I f f I I I I I I I I j I I I I I f I I lI j KG I l ?1/ (S-. I V I II n! i I I l I L u( I l '-1 I 7- y Fifa I l Ie ff/ I I m/ III jl I I I I I I I I 6 j I I Il j I I I I L I I I I I I II I jj/ I I I Fig. I :E I l Il T I I E631 5- Il?` m j; IIII III(Application med Apr. s, 1900.) NOVMUGL) I4 Sheets-Sheet I4.

Efo# Bemarcya Ta Q49: gzwwvzes, @00021525 V u lllllllll l IIIIIII. A.IIIIIIl-III llll. Il'lllll IIIIIII u va/.lll mlllllullll U IIIIIIIIHIPQJH Il v1 l Il 1.... 'III'. u V. .,P, Il! ,ij xuw.. a ,f IH. w. i IllIlly IIIIIIII A III... 4.,. i Illllllllll. Ilm a ,..z 1 IIIH l A rvlllUNITED YSTATES f PATENT OFFICE.

vICTOR BEAUREGARD, OE BOSTON, AND CHARLES S. COODINC., OE EROOK- LINE,MASSACHUSETTS, ASSIGNORS To ROBERT D. EVANS AND JOHN S. LoCHwoOD, OEBOSTON, MASSACHUSETTS.

`ivlAoi-HNiii-TOR.ouTTmeEOO-r OR SHOE SOLES, ato.

SPECIFICATION forming'part of Letters Patent No. 652,159, dated .rune1e, 1900.

' Application iiletl April 5, 1900. Serial No. 11,774. (No model.)

To all whom, it may concern:

Beit known that we,VICTOR BEAUREGARD, of Boston, in the county ofSuffolk, and CHARLES S.- GOODING, of Brookline, in the county ofNorfolk, Commonwealth of Massachusetts, have inventedcertain new anduseful Improvements in Machines for Cutting Boot or Shoe Soles andotherArticles of Curvilinear Outline fromSheet Material, of which thefollowing description is a specification.`

This invention relates to a machine similar to that described and shownin our Letters Patent No'.` 59,3,537,=dated November 9, 1897, and No.613,197,"dated October 25, 1898; and it consists, chiefly, in theimproved construction of the mechanism by whic'hthe feed ingof thematerial to becut is regulated, the f measuring-Iinger, as it hasbeencalled, `moving in ahorizontallineinstead of a'curve, inthe,construction of the form or pattern according to which the material iscutand the means for clamping it to its holder, in the construction ofthe `holder for the cutter'or trimming-f` knife, and also in variousminor improve-` ments in other portions of the operative parts of themachine hereinafter described.`

As in our prior patents above mentioned, the machine herein shown isrepresented with a pattern of the,l form used for cutting boot and shoesoles', and a machine to be' used for thatpurpose is more particularlyreferred to in the description and illustrated in the draw-l ings,whereinf Figure lis a front elevation of the machine; Fig. 2, asideelevation viewed from the rightof Fig. l. Fig. 3 is a front elevation ofthe portion of the machine which supports and operates the blanksupportand clamping-V pattern,'the gears by which that support side elevationof a detached portion of the ma- Fig.-l2, a longitudinal verticalsection Of it;

chine viewed from the right of Fig. l, showing 5o the stock-feedingmechanism and the devices by which the amount to be fed at each strokeof the feeding mechanism is determined. Figs. 7 a and 7b are detailsshowing, respectively, the stook-feeding pawl in itsforward movement asit is about to engage the ratchet-wheel and the same pawl just after itis Withdrawn from the ratchet-wheel in its return movement. Fig. 8 is anenlarged plan view of the gears which produce the intermittent motion ofthe clamp and stock-support Fig. 9, a section th rough the axes of thosegears; Fig. 10, a plan of the top of the clamping-pattern Fig. 11, aplan of the bottom of the clam ping-pattern;

Fig. 13, a longitudinal vertical section of a portion of the pattern,showing the devices by whichitis fastened to its supporting-plate, withthe clamping-pin in the position which it occupies when iirst inserted;Fig. 14, the same section of the pattern with the clamping-pin turned toa position which draws the pattern securely against itssupporting-plate. Figs.,l5 and 16 are views of the said clamping-pin inthe respective positions which it occupies illustrated in Figs. 13 and14. Fig. 17 is a plan of the levers Vand other mechanism by which thetrimming-knife is held and operated. Fig. 18 is an elevation of the sameparts. Fig. 19 is aplan of the trimming-knife holder and adjusting-Wheels; Fig. 2d, an elevation of the same; Fig. 21, a verticalsection through the holder and a portion of the clamping-patternandmaterial to be trimmed, with the knife in position for trimming. Fig.22 shows three views of the trimming-knifean end, front, and vedge view.Fig. 23 is a side elevation of the machine, `partly in section, showingthe mechanism by which the blank-cutting knife and supplementalfeedroller are operated; Fig. 24, a front elevation of the blank-cuttingknives and the mechanism by which the upper knife is operated. Fig. 25is a side elevation of a portion of the machine, showing the mechanismby which the frame of the blank-cutting knives may be adj usted inrelation to the blank -support.

Fig. 26 isv a vertical cross-section of the same parts on line 26 26,Fig. 25. tail section, through the sliding frame and its guides, of theupper blank-cutting knife on line 27 27, Fig. 24. Fig. 28 is an enlargedperspective view of the portion of the machine shown in Fig. 7 as seenfrom a position a little to the rear, more clearly exhibiting themechanism that feeds the material and determines the amount which is tobe fed at each intermittent movement.

Similar letters indicate the same parts of the machine throughout thedrawings.

Referring to the drawings, Fig. 1, A is the frame of the machine; a, themain shaft, from which the operating parts are driven; a', the

lmain driving-gear; a2, the cam-wheel, which operates the upperblank-cutting knife; a3, the cam which by means of the cord or rod 7015and lever k1 draws down the free end of the lever that supports thetrimming-knife, and thereby forces the knife through the stock at thebeginning of the trimming operation.

a4 is a double cam-wheel, the cam-groove in the inner face of whichoperates a lever m20, which actuates the stock-feeding pawl, while thecam on the periphery of the wheel a4 operates a rod m25, which raisesthe measuringiinger for a short interval at the beginning of the feedingoperation for the purpose hereinafter described.

a5 01,6 are a pair of beveled gears, one upon the end of the shaft a andthe other upon the lower end of the shaft b. Upon the shaft b is aseries of cams which operate the arms and levers that carry thestock-support and clamping-pattern and the trimming-knife. The wheel b'has a cam-groove in its lower face engaged by a cam-roll which is heldby a lug on the side of the arm l-l. This cam swings the frame H H backand forth'upon the shaft i. Anothercam b2 upon the top of the wheel boperates upon the armA 7c, which supports the trimming-knife, so as tohold it away from the clamping-pattern while a blank is being placedupon its support and clamped by the pattern. The wheel b5 has acam-groove b4 in its upper face, which is engaged by a camroll lo uponthe cam-slide 1.25, which is one member of the compound lever lo 152155.(See Fig. 17.) Upon the edge of the wheel b3 is a cam b5, which servesto depress the fingers l2 Z2 to a position where they will engagethesole which has been cut and the scrap about it and remove them from thestock-support when it is swung back to the blank-cutting knives.

The wheel b6 has a cam-grooveb7 in its periphery, (see dotted lines,Fig. 3,) which is engaged by a cam-roll d4 upon the lever d',

which lever is pivoted to the frame of the mais a segmental gear 68,which meshes with a smaller segmental gear b9, keyed to the shaft z'.

Near the upper and lower ends of the shaft t' are secured bevel-gears z"h', and these mesh, respectively, with other bevel-gears 2 and 71,2 onshafts is hs. Upon the opposite end of the Fig. 27 is a de.

`of the upper and lower arms H H of the swinga ing frame, of which theyare a part.

Referring to Fig. 1, it will be readily seen that when power is appliedto the gear a' the shaft a, will be turned, and through the bevel--gears a5 a6 motion will be given to the shaft b and the cams andsegment-gear bs thereon. The form of the gears b8 and bois shown in Fig.8, from which it will be understood that the gear b9 will be caused torotate only one-half of the time-that is, by reason -of the plainportions upon the periphery of the two gears b9 will make only the samenumber of revolutions as bs, although its diameter is but onehalf thatof the gear bs, so that the stocksupport s and the clamping-pattern pwill be -intermittently rotated together. During the interval when theyare not rotating they are being swung inward to the blank-cutting knivesff to receive a blank and out again ready to be rotated and vcause thetrimmingknife to cut a sole or other article to corre-V spond with theoutline of the clamping-pattern.

The clamping-pattern p is secured to a holder p' by meansV hereinaftermore particularly described, and this -holder has a sleeve g projectingupward from it, which .slides over the shaft g and is fastened theretoby a pin passing through the two. This clamping-pattern is raised andlowered by means of a lever CZ, which isv pivoted to the swinging frameH at d2, and has a slot in its end, into which projects a pin g2, whichis fastened to a sleeve g8 ou the shaft g above the sleeve of the holderp.- (See Fig. 3.) The upward movement of the sleeve g3 is limited by'ashoulder on the shaft g `and the downward movement by the top of thesleeve g', and the longitudinal movement of the shaft g through itsbearings in the end of the upper arm of the frame H and through thesleeve g3 is permitted by the bar g4,

which is secured to the top of the shaft g and has a hole in each endthat nts over and slides upon a bolt g5, each of which is made fast tothe gear Z5, and by means of which the shaft g is caused to rotate withthat gear. The lever d is caused to tilt on its pivotal2 through itsconnection with the lever d, pivoted to the frame A at d3, on whichpivot it iscaused to vibrate up and down by the engagement of itscam-roll d4 with the cam-groove b7 in the periphery of the wheel b.

IOO

The connection betweengthe levers d and d is made through a shoulderedsleeve d5, adapted to slide upon the shaft c', the end of each leverbeing attached to the sleeve L75 by what may be termed a gimbal-ringjoint, consisting of split rings c7, which surround grooved collars d1on the sleeve C75 and the yokeshaped ends d8 of the levers, whichencompass said rings and are jointed thereto by screw-bolts C71. Theconstruction is shown in transverse and longitudinal sections in Figs. 5and 6.

In order to give a yielding pressure of the lever d upon the pattern p,a spring (710 is placed around the sleeve d5 between the collars whichhold the split rings 676 of the two levers f7 c7.

For the purpose of giving greater rigidity to the swinging frame H abracket B is provided, upon which; runs a small roller r, which isjournaled in a hanger r', projecting from the lower arm I-I of theframe. (See Figs. l and 2.)

The trimmingknife holder is supported at the end of a flexible arm 76.The opposite end of the arm 76 is jointed at 76 to another arm 762,whichis pivoted at 763 to a projecting bracket on the frame. At 761 onthe` arm 762 one end of a cam-slide 765 is pivoted. The

vopposite end of this cam-slide is forked, so

as to straddle and slide upon the shaft 7J through the action of acam-16011.76, which runs in a cam-groove h1 in the cam-Wheel b3. (SeeFig. 17.) The arm 762 is flattened at 761 and slides in a slottedbracket 768, which projects from the rear of the frame A, and to providean additional support for the arm 76 a small roll 762, which isjournaled in a projection therefrom, bears upon a lever 7610, which ispivoted on the shaft 6'. The lever 7610 is supported at its free end bya roll 7611, which bears upon a curved track 7612, that eX- tends outfrom the machine-frame, and the said lever 7610is caused to swingoutward upon its pivot 6 by the action of the cam b2 upon a cam-roll7613 on the lever 7610, (seen in dotted lines, Fig. 17,) and it ispulled constantly inward by the action of a spring n, attached at oneend to the frame of the machine and at the other fastened near the freeend of the lever. The arm 76 is caused to swing out and in with thelever 7610 by means of a link 7614, which connects the two together.

To the free end of the arm 76 a sleeve 7617 is fastened, and within thissleeve the cylindrical shank 7618 of the trimming-knife holder 7619 issupported by a washer 7620, (see Figs. 19 to 21,) and to reduce frictionball-bearings may be provided at the upper and lower ends within thesleeve 7611. A gage-roll 7621 upon a pin 7622 bears upon the upper edgeof the clamping-pattern p and keeps the trimming-knife 7623 at a uniformdistance from the lower edge of the pattern during the cuttingoperation. The knife is held in clalnping-jaws 7624 by a bolt 7625. Asin our prior machine, the blade of the trimming-knife is constantly kepttangent to the varying curves of the pattern by means of a plate 7626,arranged to slide upon the knife-holder 7619 against the action of aspring 7627 on a rod 7622, which extends from the rear of the holder7612. The sliding plate 7626 has two arms, which extend along the sidesof the holder 7612, and in the forward ends of these arms areantifriction-rolls 7622, which bear upon the edge of the pattern pduring the trimming operation and serve to keep the blade of the knifetangent to the curves of that pattern at every position thereon.

In order to keep the knife-holder in proper position When not in contactwith the pattern, a short arm 7620 extends up from the slide-plate'k26and is provided with a roll 7631, which bears upon a plane surface in agroove in the side for the sleeve 7611, so that as the rear end of theholder 7612, with the rod 7628, swings from side to side the pressure ofthe spring 7627 upon the slide 7626 and through it upon the roll 7631tends to keep that roll substantially at the middle of the plane surfaceof the groove.

The gage-roll 7621 is held in iirm contact with the edge of the patternp during the trimming operation by-a spring n, one end of which isattached to the lever 7610 and the other to the frame of the machine,(see Fig. 17,) and while the blank support and clamp are being swung tothe blank-cutting knives and back again the trimming-knife andholder areprevented from following them by the action of the cam b2 upon the roll7212, which has its bearing on the lever 7611. (Shown in dotted lines,Fig. 17.)

wWhen cutting rubber soles, it is desirable that the edge should bebeveled, and to accomplish this the clamping-jaws 762v1 at the forwardend of the knife-holder are made at the proper angle to hold the knifein the desired position, as shown in Figs. 20 and 21, and to accommodatethis projecting portion of the knife-holder an angular groove p2 is cutaround the edge of the pattern.

For convenience and economy the pattern is constructed chiefly of woodor other inexpensive and easily-worked material, with a metal plate uponthe upper and lower sides. The lower plate is a littlel larger than theupper one and also has its edge turned down, so as to insure a rmpressure at the edge where the material is cut. The pattern p is securedto its holder p by a cam-pin p3, the lower end of which is formed .withrectangular projections p4, provided with inclined or cam-shaped uppersurfaces p5.- The pattern is first pressed up against the holder p untilthe centering or alining pins p6 ent-er holes in the pattern and thelower end of the cam-pin 133 enters a rectangular hole p1 in the topplate of thepattern in the position shown in Fig. 13. The cam-pin isthen given a quarter-turn to the position shown in Fig. 14, and the camprojections, by pressing upon the under side of the upper plate, drawthe pattern firmly against the holder 19C It will thus be seen thatpatterns can be very easily changed and with small wasteof time.

IOO

IIO

'As explained in our said prior patents,when feeding sheets ofunvulcanized india-rubber which are embossed with ornamental ordesignating figures it is necessary to so regulate the feeding that eachof such figures will be placed over the middle longitudinal line of thepattern in order that the figures may be located in the middle of thesole or other article cut in accordance with the pattern. In our priormachine the device or linger which measured or determined the amount ofmaterial to be fed forward at each intermittent movement thereof swungin the arc of a circle, and therefore its lower end would rise aftel thefinger left a perpendicular position, so that when any projection on thematerial which engaged and moved the measuring-iin-n ger chanced to belower than the average that inger would often slip over the projectionbefore the completion of the previouslydetermined amount of feeding, andthus in accurately set the feeding mechanism for the next succeedingstroke. Our improvements obviate this difficulty, as the lower end ofthe linger moves in a horizontal line,the construction and operation ofwhich will be better understood by reference to the drawings. In Fig. 7,which is a right-hand end View of the machine, m is a shaft whichextends across the width of the frame of the blank-cutting knives and isconnected with another shaft m' by a link m2 at either end, the shaft m'having a bearing at each end in extensions of the frame. (See also Fig.28.) Upon the end of the shaft fm, a depending arm m3 is secured and hasa wheel m4 journaled at its Vlower end. Beneath the wheel m4 is ahorizontal track m5, upon which the wheel m4 normally'rests and runs toand fro as the arm m3 swings. As the Wheel m4 moves back and forth onthe horizontal track m5 the shaft mis permitted to move up and down onthe links m2, which are loose on the shaft m, and the measuring-fingerm6, (shown in Fig. 28,) which is also secured to the shaft m in aposition which will place its lower end in the line of the projectionson the material, will swing with the arm mi and the lower end of thelinger will move in the same horizontal plane as the axis of the wheelm4. The track m5 is supported ina bracket 'm7 and may be adjusted bymeans of a screw m8. The lower end of the arm m3 is attached by aconnecting-line m9 to a curved track m10, provided with a guard n10 uponits inner edge, for the purpose hereinafter described, and which extendsalong a short arc of the periphery of the feedratchet m11. The track'm10 is secured to the upper end of a radial arm m12, pivoted on theshaft m13 ofthe feed-roll m14.V (Seen in Fig. 23.) m15 is the pawl whichengages and turns the ratchet-wheel m11 and is held in engagementtherewith by a spring m16 between the pawl and a projecting part of anarm m17. The pawl 'm15 is pivoted to the arm m1", which also turns onthe shaft m18, and this arm is tilted forward and back by means of alever m18,

pivoted to the arm m17 at m19. The leverm is adj ustably connected witha cam-slide m20, (see Fig. 2,) the forked lower end of which slides overthe shaft et, and by means of a cam-roll m21, near the fork of thecam-slide m20, which runs in a cam-groove in the face of the wheel 0.4,the slide m20 is given a longitudinal movement up and down, and by itsconnection with the arm m17 at m19 causes' track m10, is provided, andas the pin m22V moves forward it strikes beneath the camsurface m23 andis thereby pressed downward just as it leaves the guard 'n10 andpositively forces the pawl m15 into the teeth of the ratchet. A lightspring m24, attached to the top of the piece m23, is bent downward, so

that its free end rests very near to the ratchetteeth. m15 the pin m22readily passes beneath the spring; but in the return movement of thepawl m15 the pin m22 strikes upon the top of the spring, rides up ontoit, and thus lifts the pawl m15 and completely disengages it from theratchet, and also prevents the pin m22 from catching upon the end of theguard n10 and obviates the chance of disarranging it.

In order to prevent any movement of the track m10 and its guard n10while the pin m22 of the pawl 'm15 is upon the said guard, a brake n onone arm n of a rock-lever 97.5 is caused to press upon the track m10 bymeans of a cam-roll n" on the other arm 'n7 of said rock-lever, whichcam-roll n.9 is thrown outward by a cam ns on the hub of the arm m17.While the pawl m15 is in engagement with the ratchet-wheel m11, theshape of the cam n@ permits the roll -n9 and the arm YLT to swing inwardby the action of a spring upon the arm nf. This inward swing of thelower arm n.7 of the rock-lever raises its upper arm n and withdraws thebrake n from the track m10, leaving it free to be again adjusted by theoperation of a projection on the moving material upon the linger 'm6,which through the shaft fm, arm m3, and link m9 sets the guard n10 in aposition to determine the beginnin g of the next feeding movement. (SeeFigs. 7 and 28.)

For a short interval at the beginning of each feeding movement it isnecessary to raise the measuring-finger m6 sufliciently to permit theprojection upon the material which last acted upon the said finger topass under it. Otherwise the adjustment of the track m10 and guard 'n10beside the ratchet-wheel fm.11 might be disturbed. This raising of theiin- In the forward movement of the pawl- IOO IOS

IIO

ger is accomplished by means of a rod m25, with a forked slide at itslower end which straddles the shaft a, and a cam-rollm26,which is actedupon by a cam m27 on the periphery of the wheel a4. (See Figs. l and 2.)This cam at the proper moment forces the rod m25 upward far enough tostrike the under side of the link 'm2 and raise it, together with theshaft m and the attached measuring-finger and arm m3 with the wheel m4.ln the top of the rod m25 is a slot m28, through which projects a pinm29 from the bracket m30. (See Fig. 7.) By this means the rod m25 ispermitted to move up and down freely, and yet its upper end is properlycontrolled. The extent of the cam m27 is only sufficient to hold thefinger m6 in the raised position while one of the projections on thematerial is passing under. The arm m3 is prevented from swinginguncontrolled by a spring m31, attached thereto and to the bracket m30,which constantly holds the arm m3 against an adjusting-screw m32, whichworks in a threaded sleeve m33 in said bracket and by means of which thearm m3, and with it the measuringfinger m, may be adjusted in relationto the blank-cutting knives.

To insure positive feeding of the material, rolls c, Figs. 2 and 23, areplaced over the feed-roll m14 and bear with suiiicient pressure thereonto pinch the stock and cause the feedroll to push it forward onto theblank-support s. To further facilitate the feeding of the sheet ofunvulcanized india-rubber U, it is carried over a roll c', which ispositively driven by a belt c2 from a pulley c3, loose on the shaft c4,but made fast to a ratchet c5, which is intermittently turned by avibratin g pawl-lever c6, operated by an eccentric c on the shaft athrough the rod e8. (See Fig. 23.)

The upper blankcutting knife f is supported at the upper part ofaframef10 fwf11 fu, which frame is moved up and down by a cam-slide]C3in the guides f2, which are at tached to the lower knife-frame. Thecamslide f3 carries a cam-roll f4, which runs in a cam-groove in thewheel a2. The lower end of the cam-slide f3 is forked, so as to straddleand slide over the shaft a. (See Fig. 24.)

The combined frames of the blank-cutting knives are supported upon ahorizontallysliding frame f5, which may be adjusted out or in by thepinions f, which engage racks f7 on the under portion of the frame ateither side. The pinions j"G on the shaft f8 are operated by thehand-lever fg. (See Figs. 25 and 26.) This adjustment of theblank-cutting knives is sometimes required to accommodate irregularitiesin the shape of the article which is being cut by the trimming-knife.

In Fig. 2, D' is a hand-wheel for use when the machine is being adjustedat the beginning of the operation. D2 is an intermediate gear between asmall gear on the drivingshaft D and the gear a' on the shaft a.

When the end of the stock to be cut has been fed onto the support s anda blank cut off, the pattern p is forced down upon it, thus clamping thestock upon that support. The two are then swung away from .the knives ff by the action of the cam in the lower side of` the wheel b upon thearm H', and when the gage-roll Z621 on the trimming-knife holder hasbeen moved into contact with the edge of the pattern p and just beforethe pattern begins to turn the knife R23 is pulled downward and forcedthrough the stock U by the action of the cam a3 upon the lever kw, whichis connected with the arm 7c by the chain or cord 71515, whichpreferably has an interposed spring. After the article has been cnt fromthe blank the pattern is raised and, with the support s, begins to moveback again toward the knives ff', and at this moment the wheel b3 is ina position to bring the cam b5, which ison its periphery, into contactwith the end of the crank-lever Z made fast to the end of the rod Z.(See Fig. 17.) To this rod Z two `fingers Z2 are fastened, and as thecam b5 passes under the lever Zand raises it the rod Zis turned and thefingers Z;a are lowered until they rest upon the material which is onthe support s, and as that moves toward the knives f f the fingers holdthe scrap and the article cut froln the blank of stock and push them offthe support s onto a carrier-apron 0 immediately beneath. This apronruns over rollers o', one of which may be seen in Figs. l and 2, thisone being turned by a band o2 from a pulley on the shaft a.

We claiml. In a machine for cutting articles from sheet material whichis provided with projections to operate devices that determine theamount of material which is fed to the cutting-knives at each successiveoperation of the intermittent feeding mechanism therein,

IOG

a pendent finger the lower end of which is in the path of movement ofthe projections on the material, a horizontal shaft to which said fingeris secured, which shaft is hung in a vertically-tilting support, apendent arm secured at its upper end to the same shaft and at its lowerend connected to the feed-regulating devices, a wheel journaled at thelower end of the pendent arm and a horizontal track for said Wheel,which causes the end of the pendent finger to move in the samehorizontal plane as the axis of the wheel when the latter traverses itstrack.

2.- In a'machine for cutting articles from sheet material whichisprovided with projections to operate devices that determine the extentof each successive operation of the intermittent feed therein, a fingerhanging in the path of movement of said projections and a pendent arm,both secured to the same verticallytilting support, an antifrictionwheel at the lower end of the pendent arm and a Verticallyadjustablehorizontal track for said wheel by which the end of the finger may beadjusted in relation to the surface of the material beneath, and causedto move in a horizontal line over such surface.

3.- In a-machine for cutting articles by pattern fromsheet material, arevolving pattern a trimming-knife in a swiveling holder which ismaintained in proper position by the pattern during the trimmingoperation and means to maintain the swiveling holder in normal positionwhen withdrawn from contact with the ypattern substantially asdescribed.

is to be cut in accordance therewith, consistingof a lower plate havinga contour like that of the article desired, and a beveled clamping edge,an upper knife-guiding plate of substantially the same contour as thelower plate and a third plate interposed between the other two andprovided with a grooved edge to accommodate the trimming-knife holderwhen the pattern revolves.

5. A pattern for clamping material which is to be cut in accordancetherewith, consisting ,of a'lnetalf lower plate` havingabeveled clampingedge, a metal'- upper knife-guiding- ,plate having acontoursubstantially, the same las that of the article desired,- andafthird plate of similar contour and cheaper material interposed betweensaid clamping and guiding plates, aud'provided'with agrooved edge toreceive 'the trimming-knife holder; 4. .A pattern for clamping materialwhich 6.- In a machine for cutting articles by pat- -tern fromsheetsmaterial, a revolvingipattern provided with a grooved edge toreceive the vtrimmingknife holder, and a cam-pin. 193, toA ,readily lockand unlock the support.

pattern and its* VICTOR BEAUREGARD.` CHARLES s. GooDING;

Witnesses:

O. R. HENRY MARSH, SYDNEY E. TAET.

